S23-249 Use of recombinant osteopontin (SPP1) protein for prevention of foreign body response Researchers at Stanford University have found that recombinant osteopontin (SPP1) protein reduces foreign body response (FBR) and thereby facilitates successful integration and function of implantable devices. Michelle Griffin Norah Liang Jennifer Parker Ruth Tevlin Emily Meany Michael Longaker Arash Momeni Derrick Wan Eric Appel